Home / 104,039.95-143,575.63-58,719.84

Finding the Fourth Proportional to 104,039.95, 143,575.63 and 58,719.84

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Solution

The fourth proportional to 104,039.95, 143,575.63 and 58,719.84 is: 81,033.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,039.95 : 143,575.63 = 58,719.84 : x
  2. Step 2: Convert to fraction form
    104,039.95/143,575.63 = 58,719.84/x
  3. Step 3: Cross multiply
    104,039.95x = 143,575.63 × 58,719.84
  4. Step 4: Simplify right side
    104,039.95x = 8,430,738,021.50
  5. Step 5: Solve for x
    x = 8,430,738,021.50/104,039.95
  6. Step 6: Final answer
    x = 81,033.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.